*{
    padding:0px;
    margin: 0px;
}
body{
    background: #eee;
    -webkit-user-select:none;
    -moz-user-select:none;
    -ms-user-select:none;
    user-select:none;
}
.center:before,.center:after{
    display: table;
    content: "";
}
.center{

    overflow: hidden;
}
.center .site-banner{
    position: relative;
    overflow: hidden;
    height: 500px;
}
.center-bg{
    position: absolute;
    left: 0;
    top: 0;
    background-position: center 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-image: url("../images/bg.jpg");
    background-repeat: no-repeat;
}
.site-info{
    position: absolute;
    left:50%;
    top:50%;
    transform: translate(-50%,-120%);
}
.wel{
    font-size: 44px;
    font-family:"微软雅黑 Light";
    text-shadow: 5px 5px 10px rgba(32,34,62,0.7);
    letter-spacing: 5px;
    transition: all 0.8s;
    background:rgba(32,34,62,0.7) -webkit-linear-gradient(left,rgba(0,0,0,0.7),rgba(0,0,0,0.8)) no-repeat 0 0;
    background-size:40% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    font-weight: 300;
}
.wel:hover{
    font-size: 46px;
    line-height: 60px;
    background-size:90% 100%;
}
.site-idea{
    margin: 50px 0;
    text-align: center;
}
.wel {-webkit-animation: wel 4s linear infinite;animation: wel 4s linear infinite;}
.site-idea li:first-child{
    margin-left: 0;
}
.site-idea li{
    width: 298px;
    height: 150px;
    padding: 30px;
    float: left;
    line-height: 24px;
    margin-left: 30px;
    border: 1px solid #d2d2d2;
    text-align: left;
}
.site-idea fieldset{
    border-color:#d2d2d2;
    border-bottom: 0px;
    border-left: 0px;
    border-right: 0px;
}
.site-idea fieldset legend{
    text-align: center;
    margin: 0 20px 20px 0;
    padding: 0 20px;
}
.footer{
    padding: 30px 0;
    line-height: 30px;
    text-align: center;
    color: #666;
    font-weight: 300;
}
@-webkit-keyframes wel {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100% 100%;
    }
}
@keyframes wel {
    0% {background-position: 0 0; }
    100% {background-position: 100% 100%; }
}